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  <title>Fetch data specified by key</title>
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  <div id="layout-content"><div id="function.dba-fetch" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">dba_fetch</h1>
  <p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">dba_fetch</span> &mdash; <span class="dc-title">Fetch data specified by key</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.dba-fetch-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>dba_fetch</strong></span>
    ( <span class="methodparam"><span class="type">string</span> <code class="parameter">$key</code></span>
   , <span class="methodparam"><span class="type">resource</span> <code class="parameter">$handle</code></span>
   ) : <span class="type">string</span></div>

   <div class="methodsynopsis dc-description">
    <span class="methodname"><strong>dba_fetch</strong></span>
     ( <span class="methodparam"><span class="type">string</span> <code class="parameter">$key</code></span>
    , <span class="methodparam"><span class="type">int</span> <code class="parameter">$skip</code></span>
    , <span class="methodparam"><span class="type">resource</span> <code class="parameter">$handle</code></span>
    ) : <span class="type">string</span></div>

  <p class="para rdfs-comment">
   <span class="function"><strong>dba_fetch()</strong></span> fetches the data specified by
   <code class="parameter">key</code> from the database specified with
   <code class="parameter">handle</code>.
  </p>
 </div>

 <div class="refsect1 parameters" id="refsect1-function.dba-fetch-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<code class="parameter">key</code></dt>

     <dd>

      <p class="para">
       The key the data is specified by.
      </p>
      <blockquote class="note"><p><strong class="note">Note</strong>: 
       <p class="para">
        When working with inifiles this function accepts arrays as keys
        where index 0 is the group and index 1 is the value name. See:
        <span class="function"><a href="dba_key_split.html" class="function">dba_key_split()</a></span>.
       </p>
      </p></blockquote>
     </dd>

    
    
     <dt>
<code class="parameter">skip</code></dt>

     <dd>

      <p class="para">
       The number of key-value pairs to ignore when using cdb databases. 
       This value is ignored for all other databases which do not support
       multiple keys with the same name.
      </p>
     </dd>

    
    
     <dt>
<code class="parameter">handle</code></dt>

     <dd>

      <p class="para">
       The database handler, returned by <span class="function"><a href="dba_open.html" class="function">dba_open()</a></span> or
       <span class="function"><a href="dba_popen.html" class="function">dba_popen()</a></span>.
      </p>
     </dd>

    
   </dl>

  </p>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-function.dba-fetch-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns the associated string if the key/data pair is found, <strong><code>FALSE</code></strong> 
   otherwise.
  </p>
 </div>

 <div class="refsect1 changelog" id="refsect1-function.dba-fetch-changelog">
  <h3 class="title">更新日志</h3>
  <p class="para">
   <table class="doctable informaltable">
    
     <thead>
      <tr>
       <th>版本</th>
       <th>说明</th>
      </tr>

     </thead>

     <tbody class="tbody">
      <tr>
       <td>4.3.0</td>
       <td>
        The <code class="parameter">skip</code> parameter is available to support 
        cdb&#039;s capability of multiple keys having the same name.
       </td>
      </tr>

     </tbody>
    
   </table>

  </p>
 </div>

 <div class="refsect1 seealso" id="refsect1-function.dba-fetch-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="dba_exists.html" class="function" rel="rdfs-seeAlso">dba_exists()</a> - Check whether key exists</span></li>
    <li class="member"><span class="function"><a href="dba_delete.html" class="function" rel="rdfs-seeAlso">dba_delete()</a> - Delete DBA entry specified by key</span></li>
    <li class="member"><span class="function"><a href="dba_insert.html" class="function" rel="rdfs-seeAlso">dba_insert()</a> - Insert entry</span></li>
    <li class="member"><span class="function"><a href="dba_replace.html" class="function" rel="rdfs-seeAlso">dba_replace()</a> - Replace or insert entry</span></li>
    <li class="member"><span class="function"><a href="dba_key_split.html" class="function" rel="rdfs-seeAlso">dba_key_split()</a> - Splits a key in string representation into array representation</span></li>
   </ul>
  </p>
 </div>

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